Home / 8,247.92-12,368.56-3,054.20

Finding the Fourth Proportional to 8,247.92, 12,368.56 and 3,054.20

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Solution

The fourth proportional to 8,247.92, 12,368.56 and 3,054.20 is: 4,580.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.92 : 12,368.56 = 3,054.20 : x
  2. Step 2: Convert to fraction form
    8,247.92/12,368.56 = 3,054.20/x
  3. Step 3: Cross multiply
    8,247.92x = 12,368.56 × 3,054.20
  4. Step 4: Simplify right side
    8,247.92x = 37,776,055.95
  5. Step 5: Solve for x
    x = 37,776,055.95/8,247.92
  6. Step 6: Final answer
    x = 4,580.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.